123626532642 has 8 divisors (see below), whose sum is σ = 247253065296. Its totient is φ = 41208844212.

The previous prime is 123626532619. The next prime is 123626532691. The reversal of 123626532642 is 246235626321.

It is a sphenic number, since it is the product of 3 distinct primes.

123626532642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 123626532594 and 123626532603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10302211048 + ... + 10302211059.

It is an arithmetic number, because the mean of its divisors is an integer number (30906633162).

Almost surely, 2^123626532642 is an apocalyptic number.

123626532642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123626532642 is a wasteful number, since it uses less digits than its factorization.

123626532642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20604422112.

The product of its digits is 622080, while the sum is 42.

The spelling of 123626532642 in words is "one hundred twenty-three billion, six hundred twenty-six million, five hundred thirty-two thousand, six hundred forty-two".